/* =============================================================================
   HUMAIPAIR App Shell — product UI layout + components
   Extends /css/base.css design tokens. REM-only. Light/dark via [data-theme].
   ============================================================================= */

html { font-size: 100%; }
body {
    min-height: 100vh;
    background: var(--color-bg-dark);
}

/* ---- Layout grid: sidebar + (topbar / main) ------------------------------ */
.hp-shell {
    display: flex;
    min-height: 100vh;
}

.hp-sidebar {
    position: fixed;
    inset-block: 0;
    inset-inline-start: 0;
    width: 16.5rem;
    background: var(--color-bg-card);
    border-inline-end: 0.0625rem solid var(--color-border);
    display: flex;
    flex-direction: column;
    z-index: 60;
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
}
.hp-sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }

.hp-sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.6);
    backdrop-filter: blur(0.125rem);
    z-index: 55;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}
.hp-sidebar-overlay.show { opacity: 1; pointer-events: auto; }

@media (min-width: 64rem) {
    .hp-sidebar { transform: translateX(0); box-shadow: none; }
    .hp-sidebar-overlay { display: none; }
    .hp-content { margin-inline-start: 16.5rem; }
}

.hp-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* ---- Sidebar internals ---------------------------------------------------- */
.hp-brand-row {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 1rem 1.25rem;
    border-block-end: 0.0625rem solid var(--color-border);
    min-height: 4rem;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.0625rem;
    text-decoration: none;
}
.hp-brand-row:hover { color: var(--color-text); }
.hp-brand-mark {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.625rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: var(--shadow-glow-primary);
    flex-shrink: 0;
}
.hp-brand-row .dot { color: var(--color-primary); }

.hp-nav { flex: 1; padding: 0.75rem 0.75rem 1rem; }
.hp-nav-group { margin-block-end: 0.75rem; }
.hp-nav-group-label {
    padding: 0.5rem 0.75rem 0.25rem;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}
.hp-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    min-height: 2.75rem;
    border-radius: var(--radius);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}
.hp-nav-link i { width: 1.25rem; text-align: center; font-size: 0.9375rem; }
.hp-nav-link:hover { background: var(--color-bg-card-hover); color: var(--color-text); }
.hp-nav-link.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 600;
}
.hp-nav-link.active i { color: var(--color-primary); }

.hp-sidebar-footer {
    padding: 0.75rem;
    border-block-start: 0.0625rem solid var(--color-border);
}

/* ---- Topbar ---------------------------------------------------------------- */
.hp-topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 4rem;
    padding: 0 1rem;
    background: color-mix(in srgb, var(--color-bg-dark) 88%, transparent);
    backdrop-filter: blur(0.625rem);
    -webkit-backdrop-filter: blur(0.625rem);
    border-block-end: 0.0625rem solid var(--color-border);
}
@media (min-width: 48rem) { .hp-topbar { padding: 0 1.5rem; } }

.hp-topbar-title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.hp-topbar-spacer { flex: 1; }

.hp-iconbtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--radius);
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    position: relative;
}
.hp-iconbtn:hover { background: var(--color-bg-card-hover); color: var(--color-text); }
.hp-iconbtn .hp-dot-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    min-width: 1.05rem;
    height: 1.05rem;
    padding: 0 0.25rem;
    border-radius: 9999rem;
    background: var(--color-danger);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
@media (min-width: 64rem) { .hp-hamburger { display: none; } }

.hp-user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 2.75rem;
    padding: 0.25rem 0.625rem 0.25rem 0.25rem;
    border-radius: 9999rem;
    border: 0.0625rem solid var(--color-border);
    background: var(--color-bg-card);
    cursor: pointer;
    transition: border-color var(--transition);
}
.hp-user-chip:hover { border-color: var(--color-border-hover); }
.hp-avatar {
    width: 2.125rem;
    height: 2.125rem;
    border-radius: 9999rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.hp-user-chip .name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    max-width: 8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: none;
}
@media (min-width: 48rem) { .hp-user-chip .name { display: inline; } }

.hp-user-menu {
    position: absolute;
    top: calc(100% + 0.375rem);
    right: 0;
    width: 16rem;
    background: var(--color-bg-card);
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.75rem;
    z-index: 70;
}
.hp-user-menu .email { font-size: 0.75rem; color: var(--color-text-muted); word-break: break-all; }
.hp-role-chips { display: flex; flex-wrap: wrap; gap: 0.25rem; margin-block: 0.5rem; }

/* ---- Main page area --------------------------------------------------------- */
.hp-main {
    padding: 1.25rem 1rem 4rem;
    max-width: 90rem;
    width: 100%;
    margin-inline: auto;
}
@media (min-width: 48rem) { .hp-main { padding: 1.75rem 1.5rem 4rem; } }

.hp-page-head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 1rem;
    margin-block-end: 1.5rem;
}
.hp-page-head h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--color-text);
    line-height: 1.2;
}
.hp-page-head .sub { font-size: 0.875rem; color: var(--color-text-secondary); margin-block-start: 0.25rem; }
.hp-page-head .actions { margin-inline-start: auto; display: flex; gap: 0.5rem; flex-wrap: wrap; }

/* ---- Stat cards -------------------------------------------------------------- */
.hp-stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: 0.875rem;
    margin-block-end: 1.5rem;
}
.hp-stat {
    background: var(--color-bg-card);
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.125rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    transition: border-color var(--transition), transform var(--transition);
}
.hp-stat:hover { border-color: var(--color-border-hover); transform: translateY(-0.125rem); }
.hp-stat .label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}
.hp-stat .value { font-size: 1.625rem; font-weight: 800; color: var(--color-text); line-height: 1.1; }
.hp-stat .hint { font-size: 0.75rem; color: var(--color-text-secondary); }

/* ---- Autonomy ladder ----------------------------------------------------------
   5 steps with connector rail. States: done, current, next, locked, pending. */
.hp-ladder {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
    position: relative;
    margin-block: 0.5rem;
}
.hp-ladder-step {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    padding: 0.75rem 0.25rem 0.5rem;
    border-radius: var(--radius-lg);
    border: 0.0625rem solid transparent;
    transition: background var(--transition);
}
.hp-ladder-step .node {
    width: 3rem;
    height: 3rem;
    border-radius: 9999rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    background: var(--color-bg-elevated);
    color: var(--color-text-muted);
    border: 0.125rem solid var(--color-border);
    position: relative;
    z-index: 2;
    transition: all var(--transition-slow);
}
.hp-ladder-step .step-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    line-height: 1.2;
}
.hp-ladder-step .step-desc {
    font-size: 0.6563rem;
    color: var(--color-text-muted);
    line-height: 1.3;
    display: none;
}
@media (min-width: 48rem) { .hp-ladder-step .step-desc { display: block; } }

/* connector rail */
.hp-ladder-step::before {
    content: "";
    position: absolute;
    top: 2.25rem;
    inset-inline: -50%;
    height: 0.1875rem;
    background: var(--color-border);
    z-index: 1;
}
.hp-ladder-step:first-child::before { inset-inline-start: 50%; }
.hp-ladder-step:last-child::before { inset-inline-end: 50%; }

.hp-ladder-step.done .node {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.hp-ladder-step.done::before { background: var(--color-primary); }
.hp-ladder-step.current .node {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.375rem var(--color-primary-light), var(--shadow-glow-primary);
    transform: scale(1.08);
}
.hp-ladder-step.current .step-label { color: var(--color-primary); }
.hp-ladder-step.pending .node {
    border-color: var(--color-warning);
    color: var(--color-warning);
    background: rgba(245, 158, 11, 0.1);
    animation: hp-pulse 2s ease-in-out infinite;
}
.hp-ladder-step.pending .step-label { color: var(--color-warning); }
@keyframes hp-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.35); }
    50% { box-shadow: 0 0 0 0.5rem rgba(245, 158, 11, 0); }
}

.hp-ladder.compact { grid-template-columns: repeat(5, auto); justify-content: start; gap: 0.25rem; margin: 0; }
.hp-ladder.compact .hp-ladder-step { padding: 0.25rem; }
.hp-ladder.compact .node { width: 1.75rem; height: 1.75rem; font-size: 0.6875rem; border-width: 0.09375rem; }
.hp-ladder.compact .step-label, .hp-ladder.compact .step-desc { display: none; }
.hp-ladder.compact .hp-ladder-step::before { top: 1.05rem; }

/* ---- Panels / sections --------------------------------------------------------- */
.hp-panel {
    background: var(--color-bg-card);
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-block-end: 1.25rem;
    overflow: hidden;
}
.hp-panel-head {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 1rem 1.25rem;
    border-block-end: 0.0625rem solid var(--color-border);
}
.hp-panel-head h2 { font-size: 0.9375rem; font-weight: 700; color: var(--color-text); }
.hp-panel-head .actions { margin-inline-start: auto; display: flex; gap: 0.5rem; }
.hp-panel-body { padding: 1.25rem; }
.hp-panel-body.flush { padding: 0; }

.hp-table-wrap { overflow-x: auto; }

/* ---- Timeline -------------------------------------------------------------------- */
.hp-timeline { list-style: none; position: relative; padding-inline-start: 1.75rem; }
.hp-timeline::before {
    content: "";
    position: absolute;
    inset-block: 0.375rem;
    inset-inline-start: 0.5625rem;
    width: 0.125rem;
    background: var(--color-border);
}
.hp-timeline li { position: relative; padding-block-end: 1.25rem; }
.hp-timeline li:last-child { padding-block-end: 0; }
.hp-timeline .tl-node {
    position: absolute;
    inset-inline-start: -1.75rem;
    top: 0.125rem;
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 9999rem;
    background: var(--color-bg-elevated);
    border: 0.125rem solid var(--color-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5625rem;
    color: var(--color-text-muted);
}
.hp-timeline .tl-node.ok { border-color: var(--color-success); color: var(--color-success); }
.hp-timeline .tl-node.warn { border-color: var(--color-warning); color: var(--color-warning); }
.hp-timeline .tl-node.bad { border-color: var(--color-danger); color: var(--color-danger); }
.hp-timeline .tl-title { font-size: 0.875rem; font-weight: 600; color: var(--color-text); }
.hp-timeline .tl-meta { font-size: 0.75rem; color: var(--color-text-muted); margin-block-start: 0.125rem; }
.hp-timeline .tl-body { font-size: 0.8125rem; color: var(--color-text-secondary); margin-block-start: 0.25rem; }

/* ---- Empty / error / skeleton states ------------------------------------------------ */
.hp-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.625rem;
    padding: 3rem 1.5rem;
}
.hp-empty .glyph {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 9999rem;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.375rem;
}
.hp-empty h3 { font-size: 1rem; font-weight: 700; color: var(--color-text); }
.hp-empty p { font-size: 0.875rem; color: var(--color-text-secondary); max-width: 26rem; }

.hp-skel-row {
    height: 2.5rem;
    border-radius: var(--radius);
    background: linear-gradient(90deg, var(--color-bg-elevated) 25%, var(--color-bg-card-hover) 50%, var(--color-bg-elevated) 75%);
    background-size: 200% 100%;
    animation: hp-shimmer 1.4s infinite;
    margin-block-end: 0.625rem;
}
@keyframes hp-shimmer { to { background-position: -200% 0; } }

/* ---- Modal / drawer -------------------------------------------------------------------- */
.hp-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.65);
    backdrop-filter: blur(0.1875rem);
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: hp-fade var(--transition) both;
}
@keyframes hp-fade { from { opacity: 0; } to { opacity: 1; } }

.hp-modal {
    background: var(--color-bg-card);
    border: 0.0625rem solid var(--color-border);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 32rem;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    animation: hp-rise var(--transition-slow) both;
}
.hp-modal.wide { max-width: 46rem; }
@keyframes hp-rise { from { opacity: 0; transform: translateY(0.75rem) scale(0.98); } to { opacity: 1; transform: none; } }

.hp-modal-head {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.125rem 1.375rem;
    border-block-end: 0.0625rem solid var(--color-border);
    flex-shrink: 0;
}
.hp-modal-head h2 { font-size: 1rem; font-weight: 700; color: var(--color-text); flex: 1; }
.hp-modal-body { padding: 1.25rem 1.375rem; overflow-y: auto; }
.hp-modal-foot {
    display: flex;
    justify-content: flex-end;
    gap: 0.625rem;
    padding: 1rem 1.375rem;
    border-block-start: 0.0625rem solid var(--color-border);
    flex-shrink: 0;
}

.hp-drawer-wrap {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    justify-content: flex-end;
    background: rgba(2, 6, 23, 0.55);
    animation: hp-fade var(--transition) both;
}
.hp-drawer {
    width: 100%;
    max-width: 30rem;
    height: 100%;
    background: var(--color-bg-card);
    border-inline-start: 0.0625rem solid var(--color-border);
    display: flex;
    flex-direction: column;
    animation: hp-slide var(--transition-slow) both;
}
@keyframes hp-slide { from { transform: translateX(100%); } to { transform: none; } }
.hp-drawer .hp-modal-body { flex: 1; }

/* ---- Forms -------------------------------------------------------------------------------- */
.hp-field { margin-block-end: 1rem; }
.hp-field > label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-block-end: 0.375rem;
}
.hp-field .help { font-size: 0.75rem; color: var(--color-text-muted); margin-block-start: 0.25rem; }
textarea.hp-input { min-height: 5.5rem; resize: vertical; }
select.hp-input { appearance: auto; }

/* ---- Toasts --------------------------------------------------------------------------------- */
.hp-toasts {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 120;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: calc(100vw - 2rem);
}
.hp-toast {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    background: var(--color-bg-elevated);
    border: 0.0625rem solid var(--color-border);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: hp-rise var(--transition-slow) both;
    max-width: 24rem;
}
.hp-toast.success { border-color: var(--color-success); }
.hp-toast.success i { color: var(--color-success); }
.hp-toast.error { border-color: var(--color-danger); }
.hp-toast.error i { color: var(--color-danger); }
.hp-toast.warning { border-color: var(--color-warning); }
.hp-toast.warning i { color: var(--color-warning); }
.hp-toast.info i { color: var(--color-info); }

/* ---- Misc ------------------------------------------------------------------------------------ */
.hp-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.1875rem 0.5625rem;
    border-radius: 9999rem;
    font-size: 0.6875rem;
    font-weight: 600;
    background: var(--color-bg-elevated);
    border: 0.0625rem solid var(--color-border);
    color: var(--color-text-secondary);
}
.hp-kv { display: flex; gap: 0.75rem; padding: 0.4375rem 0; font-size: 0.875rem; }
.hp-kv .k { width: 9.5rem; flex-shrink: 0; color: var(--color-text-muted); }
.hp-kv .v { color: var(--color-text); font-weight: 500; word-break: break-word; }

.hp-quorum {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}
.hp-quorum .seg {
    width: 1.375rem;
    height: 0.4375rem;
    border-radius: 9999rem;
    background: var(--color-bg-elevated);
    border: 0.0625rem solid var(--color-border);
}
.hp-quorum .seg.filled { background: var(--color-success); border-color: var(--color-success); }

.hp-prio-URGENT { color: var(--color-danger); }
.hp-prio-HIGH { color: var(--color-warning); }
.hp-prio-MEDIUM { color: var(--color-info); }
.hp-prio-LOW { color: var(--color-text-muted); }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}